CVE-2026-1420

A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md	Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc	Exploit
https://vuldb.com/?ctiid.342836	Permissions Required VDB Entry
https://vuldb.com/?id.342836	Third Party Advisory VDB Entry
https://vuldb.com/?submit.736559	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac23_firmware:16.03.07.52:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac23:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-26 06:16

Updated : 2026-01-28 14:44

NVD link : CVE-2026-1420

Mitre link : CVE-2026-1420

CVE.ORG link : CVE-2026-1420

JSON object : View

Products Affected

tenda

ac23_firmware
ac23

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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